CN105957622A - Light-emitting intrinsic safety coaxial composite low-voltage cable for environment-friendly smart power grid and preparation method of light-emitting intrinsic safety coaxial composite low-voltage cable - Google Patents

Light-emitting intrinsic safety coaxial composite low-voltage cable for environment-friendly smart power grid and preparation method of light-emitting intrinsic safety coaxial composite low-voltage cable Download PDF

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Publication number
CN105957622A
CN105957622A CN201610476546.3A CN201610476546A CN105957622A CN 105957622 A CN105957622 A CN 105957622A CN 201610476546 A CN201610476546 A CN 201610476546A CN 105957622 A CN105957622 A CN 105957622A
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CN
China
Prior art keywords
intrinsic safety
thickness
cable
fan
voltage cable
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CN201610476546.3A
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Chinese (zh)
Inventor
赵金磊
潘旭锋
丁志顺
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WUXI HENGHUI CABLE CO Ltd
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WUXI HENGHUI CABLE CO Ltd
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Priority to CN201610476546.3A priority Critical patent/CN105957622A/en
Publication of CN105957622A publication Critical patent/CN105957622A/en
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02Stranding-up
    • H01B13/0207Details; Auxiliary devices
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24Sheathing; Armouring; Screening; Applying other protective layers by extrusion
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/26Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
    • H01B13/2613Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22Metal wires or tapes, e.g. made of steel
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/36Insulated conductors or cables characterised by their form with distinguishing or length marks
    • H01B7/366Insulated conductors or cables characterised by their form with distinguishing or length marks being a tape, thread or wire extending the full length of the conductor or cable
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/006Constructional features relating to the conductors

Abstract

The invention discloses a light-emitting intrinsic safety coaxial composite low-voltage cable for an environment-friendly smart power grid and a preparation method of the light-emitting intrinsic safety coaxial composite low-voltage cable. The light-emitting intrinsic safety coaxial composite low-voltage cable comprises a cable core, wherein the cable core is formed by twisting a single circular insulating wire core located at the center of the cable core and a plurality of fan-shaped insulating wire cores which surround the outside of the circular insulating wire core and are arranged concentrically with the circular insulating wire core; a ceramic fireproof layer wraps the outside of the cable core; a metal armor layer which is 0.5mm in thickness wraps the outside of the ceramic fireproof layer; a high-conductivity alloy wire of which the outer diameter is 0.65mm is embedded into the metal armor layer; a high-strength low-smoke halogen-free flame-retardant olefin sheath layer which is 2.0mm in thickness coats the outside of the high-conductivity alloy wire in an extruding manner; and a fluorescence induction red warning ribbon is arranged in the high-strength low-smoke halogen-free flame-retardant olefin sheath layer. The light-emitting intrinsic safety coaxial composite low-voltage cable is reasonable in structural design; the backward productivity is eliminated; transformation of scientific and technological achievements is achieved; the cost performance of a product is greatly improved; resources are saved; and benefits are brought for people.

Description

Luminous coaxial composite low-voltage cable of intrinsic safety of environment-protecting intelligent electrical network and preparation method thereof
Technical field
The present invention relates to electric wire field, it is specifically related to a kind of environment-friendly type intelligent electrical network 0.6/1KV luminescence intrinsic safety composite construction lv power cable and preparation method thereof, a kind of run essential safety and electrical network and environment-friendly type intelligent electrical network rated voltage 35kV of the two-way interaction of power consumer and following luminous intrinsic safety composite construction power cable and manufacture method thereof for grid automation control, electric power transmission information remote collection, cable, its meet power supply system to intelligence, at a high speed, reliably, the demand that develops of the direction of safety.
Background technology
The cable that traditional handicraft manufactures, production technology cost is high, and cost performance is low, and Technology falls behind, and Practical Performance is poor;Import similar products do not match with domestic electrical system, cost will be greatly improved, and construction and use during break down repeatedly, intelligence degree is low, have halogen not environmentally, without essential safety function, cause producing, living and be obstructed without factors such as warnings, even cause disaster to occur.
Traditional electric power cable production technology process used for intelligent electric network there is problems in that 1) poor performance of material own causes insulating properties, machinery, electric property poor, and containing halogen;2) unreasonable structure, without high water conservancy diversion B alloy wire, electric capacity and impedance are relatively big, and shielding properties and interference free performance are poor, without explosion prevention function;3) not having fluorescence sensing redness warning colour band, cable construction fault rate is high, and essential safety does not ensure;4), while the fire-retardant and fire resistance of cable reaches A level, manufacturing cost is high, and cost performance is low;5) waste national resources and social labor power.
Summary of the invention
In order to overcome the deficiencies in the prior art, it is provided that it is good that one has aging resistance, embrittlement performance, weather-resistant and the fabulous luminous coaxial composite low-voltage cable of intrinsic safety of environment-friendly type intelligent electrical network of shielding properties, interference free performance and explosion-proof performance.
The invention also discloses the preparation method of the luminous coaxial composite low-voltage cable of intrinsic safety of this environment-friendly type intelligent electrical network.
For achieving the above object, the invention discloses the luminous coaxial composite low-voltage cable of intrinsic safety of a kind of environment-protecting intelligent electrical network, including cable core, it is outer and stranded with the fan-shaped insulated wire cores that round insulation core is arranged concentrically form that described cable core is wound on round insulation core by the single round insulation core and many rhizospheres being positioned at cable core bosom;At the outer wrapped ceramic fireprotection layer of cable core, the outer wrapped thickness of ceramic fireprotection layer is the metal armor layers of 0.5mm, metal armor layers is embedded in the height that external diameter is 0.65mm and leads B alloy wire, extrude outward the high-strength halogen-free low-smoke and flame retardant alkene outer jacket that thickness is 2.0mm, in high-strength halogen-free low-smoke and flame retardant alkene outer jacket, be provided with fluorescence sensing redness warning colour band;Described round insulation core is made up of with being extruded in the circular insulating layer that the outer thickness of round conductor is 1.5mm round conductor;Described fan-shaped insulated wire cores is made up of with being extruded in the fan-shaped insulating barrier that the outer thickness of sector conductor is 1.2mm sector conductor.
Preferably, described round conductor is led soft copper silk by the height of 36 Φ 2.52mm and is carried out circular nano die and press stranded, and stranded external diameter is 16.2mm, and cross section is 180mm2
Preferably, described ceramic fireprotection layer internal layer is the low described sector conductor of Halogen is led soft copper silk by the height of 48 Φ 2.52mm and carries out fan-shaped nano die and press stranded, and stranded external diameter is 17.4mm, and cross section is 200mm2
Preferably, described ceramic fireprotection layer internal layer is halogen-free low-smoke high-flame band, and outer layer is the ceramic fire prevention separation sleeve of thickness 1.4mm.
A kind of preparation method of the luminous coaxial composite low-voltage cable of intrinsic safety of environment-protecting intelligent electrical network, step is as follows:
1) cathode copper melting, continuous casting and rolling goes out Φ 8.0 mm electrolysis height and leads copper bar;
2) Φ 8.0 mm electrolysis height is led that copper bar carries out wire drawing, annealing is made the height of Φ 2.52mm and led soft copper silk;
3) height of 36 Φ 2.52mm is first led soft copper silk carry out circular nano die and press stranded, stranded external diameter be the cross section of 16.2mm be 180mm2Conductor;The height of 48 Φ 2.52mm being led soft copper silk again carry out fan-shaped nano die and press stranded, stranded external diameter is 17.4mm, and cross section is 200mm2
4) using circular extrusion mould extruding circular insulating layer to constitute round insulation core on round conductor, insulation thickness is 1.5mm, and outer insulation diameter is 18.6mm;Using the fan-shaped fan-shaped insulating barrier of extrusion die extruding to constitute fan-shaped insulated wire cores again on sector conductor, insulation thickness is 1.2mm, and outer insulation diameter is 20.6mm;
5) then four fan-shaped insulated wire cores concentrically surround at the outer twisted synthesizing cable of a round insulation line, laying up diameter 54.8mm;
6) the outer wrapped halogen-free low-smoke high-flame band of cable core after stranding, and extruded ceramic chemoprevention fire separation sleeve, separation sleeve thickness is 1.4mm;
7) the outer thickness 0.5mm of separation sleeve, width are that the bilayer of 40mm puts up wrapped galvanized steel strip armor, and embed the high water conservancy diversion B alloy wire that external diameter is 0.65mm;
8) extruding thermoplasticity blueness high-strength halogen-free low-smoke flame-proof polyolefin oversheath and injection red fluorescence sensing warning colour band in the outer one-shot forming of steel-tape armouring layer, jacket thickness is 2.0mm;
9) last, check qualified warehouse-in.
Compared with prior art, the beneficial effects of the present invention is:
The present invention uses energy-efficient height conductor, and round conductor and sector conductor combine, and resistivity ratio national regulation is low at least 20%;Metal armor layers embeds high water conservancy diversion B alloy wire, and capacity ratio conventional power cable is little by more than 25, and impedance ratio conventional power cable is little by more than 20;Inner sheath ceramic fireprotection layer; while the fire-retardant and fire resistance of cable reaches A level; manufacturing cost reduces at least 15; between 350 DEG C to 700 DEG C during high temperature; hard ceramic protective layer can be quickly formed; this hard ceramic protective layer is in the flame of 650 DEG C to 1000 DEG C high temperature; the integrity of structure can be kept in 0.5 to 2 hours; thus play isolation flame, fireproof effect; ensure that in case of fire electric power, communication unimpeded, win the quality time for security against fire;During one-time formed blue high-strength halogen-free low-smoke flame-proof polyolefin oversheath and fluorescence sensing redness warning colour band get integrated into environment, not only act as safe warning function, also beautify urban environmental landscape, and cable construction fault rate at least reduces by 30, safety coefficient at least improves 25, really ensure that essential safety;The present invention uses the structure that circular core is coaxially disposed with segment conductor-core so that the rounding property of cable has reached 100%, it is not necessary to fills, also greatly reduces in terms of materials, cost-effective, and properties is also than three cores, also the improving much of four cores;Reasonable in design, has eliminated the production capacity fallen behind, it is achieved that the transformation of scientific and technical result, product cost is greatly improved, and economizes on resources, and brings benefit to the people.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the process chart of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with the present invention, it should be understood that these embodiments are merely to illustrate the present invention rather than limit the scope of the present invention, after having read the present invention, those skilled in the art all fall within the application claims limited range to the amendment of the various equivalent form of values of the present invention.
As shown in Figure 1, the invention discloses the luminous coaxial composite low-voltage cable of intrinsic safety of a kind of environment-protecting intelligent electrical network, including cable core, it is outer and stranded with the fan-shaped insulated wire cores that round insulation core is arranged concentrically form that described cable core is wound on round insulation core by the single round insulation core and many rhizospheres being positioned at cable core bosom;At the outer wrapped ceramic fireprotection layer 5 of cable core, the outer wrapped thickness of ceramic fireprotection layer 5 is the metal armor layers 6 of 0.5mm, metal armor layers is embedded in the height that external diameter is 0.65mm and leads B alloy wire 7, extrude outward the high-strength halogen-free low-smoke and flame retardant alkene outer jacket 8 that thickness is 2.0mm, fluorescence sensing redness warning colour band 9 it is provided with in high-strength halogen-free low-smoke and flame retardant alkene outer jacket, in getting integrated into environment, not only act as safe warning function, also beautify urban environmental landscape, and cable construction fault rate at least reduces by 30, safety coefficient at least improves 25, really ensure that essential safety;Described round insulation core is made up of with being extruded in the circular insulating layer 2 that the outer thickness of round conductor is 1.5mm round conductor 1;Described fan-shaped insulated wire cores is made up of with being extruded in the fan-shaped insulating barrier 4 that the outer thickness of sector conductor is 1.2mm sector conductor 3.
Described round conductor is led soft copper silk by the height of 36 Φ 2.52mm and is carried out circular nano die and press stranded, and stranded external diameter is 16.2mm, and cross section is 180mm2;Described ceramic fireprotection layer internal layer is the low described sector conductor of Halogen is led soft copper silk by the height of 48 Φ 2.52mm and carries out fan-shaped nano die and press stranded, and stranded external diameter is 17.4mm, and cross section is 200mm2;Described ceramic fireprotection layer internal layer is halogen-free low-smoke high-flame band; outer layer is the ceramic fire prevention separation sleeve of thickness 1.4mm; between 350 DEG C to 700 DEG C during high temperature; hard ceramic protective layer can be quickly formed; this hard ceramic protective layer is in the flame of 650 DEG C to 1000 DEG C high temperature; the integrity of structure can be kept in 0.5 to 2 hours; thus play isolation flame, fireproof effect; ensure that in case of fire electric power, communication unimpeded, win the quality time for security against fire.
As in figure 2 it is shown, the preparation method of the luminous coaxial composite low-voltage cable of intrinsic safety of a kind of environment-protecting intelligent electrical network, step is as follows:
1) cathode copper melting, continuous casting and rolling goes out Φ 8.0 mm electrolysis height and leads copper bar;
2) Φ 8.0 mm electrolysis height is led that copper bar carries out wire drawing, annealing is made the height of Φ 2.52mm and led soft copper silk;
3) height of 36 Φ 2.52mm is first led soft copper silk carry out circular nano die and press stranded, stranded external diameter be the cross section of 16.2mm be 180mm2Conductor;The height of 48 Φ 2.52mm being led soft copper silk again carry out fan-shaped nano die and press stranded, stranded external diameter is 17.4mm, and cross section is 200mm2
4) using circular extrusion mould extruding circular insulating layer to constitute round insulation core on round conductor, insulation thickness is 1.5mm, and outer insulation diameter is 18.6mm;Using the fan-shaped fan-shaped insulating barrier of extrusion die extruding to constitute fan-shaped insulated wire cores again on sector conductor, insulation thickness is 1.2mm, and outer insulation diameter is 20.6mm;
5) then four fan-shaped insulated wire cores concentrically surround at the outer twisted synthesizing cable of a round insulation line, laying up diameter 54.8mm;
6) the outer wrapped halogen-free low-smoke high-flame band of cable core after stranding, and extruded ceramic chemoprevention fire separation sleeve, separation sleeve thickness is 1.4mm;
7) the outer thickness 0.5mm of separation sleeve, width are that the bilayer of 40mm puts up wrapped galvanized steel strip armor, and embed the high water conservancy diversion B alloy wire that external diameter is 0.65mm;
8) extruding thermoplasticity blueness high-strength halogen-free low-smoke flame-proof polyolefin oversheath and injection red fluorescence sensing warning colour band in the outer one-shot forming of steel-tape armouring layer, jacket thickness is 2.0mm;
9) last, check qualified warehouse-in.
The above is only the preferred embodiment of the present invention, it is noted that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, it is also possible to make some modification and improvement, and these also should be regarded as belonging to protection scope of the present invention.

Claims (5)

1. the luminous coaxial composite low-voltage cable of intrinsic safety of environment-protecting intelligent electrical network, including cable core, it is characterized in that, it is outer and stranded with the fan-shaped insulated wire cores that round insulation core is arranged concentrically form that described cable core is wound on round insulation core by the single round insulation core and many rhizospheres being positioned at cable core bosom;At the outer wrapped ceramic fireprotection layer of cable core, the outer wrapped thickness of ceramic fireprotection layer is the metal armor layers of 0.5mm, metal armor layers is embedded in the height that external diameter is 0.65mm and leads B alloy wire, extrude outward the high-strength halogen-free low-smoke and flame retardant alkene outer jacket that thickness is 2.0mm, in high-strength halogen-free low-smoke and flame retardant alkene outer jacket, be provided with fluorescence sensing redness warning colour band;Described round insulation core is made up of with being extruded in the circular insulating layer that the outer thickness of round conductor is 1.5mm round conductor;Described fan-shaped insulated wire cores is made up of with being extruded in the fan-shaped insulating barrier that the outer thickness of sector conductor is 1.2mm sector conductor.
The luminous coaxial composite low-voltage cable of intrinsic safety of environment-protecting intelligent electrical network the most according to claim 1, it is characterized in that: described round conductor is led soft copper silk by the height of 36 Φ 2.52mm and carried out circular nano die and press stranded, stranded external diameter is 16.2mm, and cross section is 180mm2
The luminous coaxial composite low-voltage cable of intrinsic safety of environment-protecting intelligent electrical network the most according to claim 1, it is characterized in that: described sector conductor is led soft copper silk by the height of 48 Φ 2.52mm and carried out fan-shaped nano die and press stranded, stranded external diameter is 17.4mm, and cross section is 200mm2
The luminous coaxial composite low-voltage cable of intrinsic safety of environment-protecting intelligent electrical network the most according to claim 1, it is characterised in that: described ceramic fireprotection layer internal layer is halogen-free low-smoke high-flame band, and outer layer is the ceramic fire prevention separation sleeve of thickness 1.4mm.
5. the preparation method of the luminous coaxial composite low-voltage cable of intrinsic safety of the environment-protecting intelligent electrical network as described in claim 1-4 any claim, it is characterised in that: step is as follows:
1) cathode copper melting, continuous casting and rolling goes out Φ 8.0 mm electrolysis height and leads copper bar;
2) Φ 8.0 mm electrolysis height is led that copper bar carries out wire drawing, annealing is made the height of Φ 2.52mm and led soft copper silk;
3) height of 36 Φ 2.52mm is first led soft copper silk carry out circular nano die and press stranded, stranded external diameter be the cross section of 16.2mm be 180mm2Conductor;The height of 48 Φ 2.52mm being led soft copper silk again carry out fan-shaped nano die and press stranded, stranded external diameter is 17.4mm, and cross section is 200mm2
4) using circular extrusion mould extruding circular insulating layer to constitute round insulation core on round conductor, insulation thickness is 1.5mm, and outer insulation diameter is 18.6mm;Using the fan-shaped fan-shaped insulating barrier of extrusion die extruding to constitute fan-shaped insulated wire cores again on sector conductor, insulation thickness is 1.2mm, and outer insulation diameter is 20.6mm;
5) then four fan-shaped insulated wire cores concentrically surround at the outer twisted synthesizing cable of a round insulation line, laying up diameter 54.8mm;
6) the outer wrapped halogen-free low-smoke high-flame band of cable core after stranding, and extruded ceramic chemoprevention fire separation sleeve, separation sleeve thickness is 1.4mm;
7) the outer thickness 0.5mm of separation sleeve, width are that the bilayer of 40mm puts up wrapped galvanized steel strip armor, and embed the high water conservancy diversion B alloy wire that external diameter is 0.65mm;
8) extruding thermoplasticity blueness high-strength halogen-free low-smoke flame-proof polyolefin oversheath and injection red fluorescence sensing warning colour band in the outer one-shot forming of steel-tape armouring layer, jacket thickness is 2.0mm;
9) last, check qualified warehouse-in.
CN201610476546.3A 2016-06-27 2016-06-27 Light-emitting intrinsic safety coaxial composite low-voltage cable for environment-friendly smart power grid and preparation method of light-emitting intrinsic safety coaxial composite low-voltage cable Pending CN105957622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610476546.3A CN105957622A (en) 2016-06-27 2016-06-27 Light-emitting intrinsic safety coaxial composite low-voltage cable for environment-friendly smart power grid and preparation method of light-emitting intrinsic safety coaxial composite low-voltage cable

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Application Number Priority Date Filing Date Title
CN201610476546.3A CN105957622A (en) 2016-06-27 2016-06-27 Light-emitting intrinsic safety coaxial composite low-voltage cable for environment-friendly smart power grid and preparation method of light-emitting intrinsic safety coaxial composite low-voltage cable

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CN105957622A true CN105957622A (en) 2016-09-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108962480A (en) * 2018-06-12 2018-12-07 内蒙古万蒙电缆有限责任公司 A kind of Combined cable

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006351229A (en) * 2005-06-13 2006-12-28 Sumitomo Electric Ind Ltd Shielded cable
CN203338847U (en) * 2013-07-27 2013-12-11 安徽太平洋电缆股份有限公司 Medium-voltage fire-resisting power cable
CN203689984U (en) * 2013-12-24 2014-07-02 江苏金牛线缆集团有限公司 Electric power communication composite cable used for petrochemical industry
CN105551668A (en) * 2016-02-19 2016-05-04 无锡市恒汇电缆有限公司 Environment-friendly composite high-voltage electric power cable for smart power grid and preparation method thereof
CN105655039A (en) * 2014-08-27 2016-06-08 沈群华 Light-emitting type cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006351229A (en) * 2005-06-13 2006-12-28 Sumitomo Electric Ind Ltd Shielded cable
CN203338847U (en) * 2013-07-27 2013-12-11 安徽太平洋电缆股份有限公司 Medium-voltage fire-resisting power cable
CN203689984U (en) * 2013-12-24 2014-07-02 江苏金牛线缆集团有限公司 Electric power communication composite cable used for petrochemical industry
CN105655039A (en) * 2014-08-27 2016-06-08 沈群华 Light-emitting type cable
CN105551668A (en) * 2016-02-19 2016-05-04 无锡市恒汇电缆有限公司 Environment-friendly composite high-voltage electric power cable for smart power grid and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108962480A (en) * 2018-06-12 2018-12-07 内蒙古万蒙电缆有限责任公司 A kind of Combined cable
CN108962480B (en) * 2018-06-12 2020-04-24 内蒙古万蒙电缆有限责任公司 Composite cable

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